valve seats

Discussion in 'General Motoring' started by punxyguy, Mar 5, 2006.

  1. punxyguy

    punxyguy Guest

    Anyone ever replaced valve seats on a 92 saturn sl sohc I am thinking of
    replacing mine and was wondering if anyone has done it. If so was it a
    pain and any suggestions or tips would be great
     
    punxyguy, Mar 5, 2006
    #1
  2. punxyguy

    Private Guest

    Are you asking about replacing valve SEATS or valve SEALS?
     
    Private, Mar 6, 2006
    #2
  3. punxyguy

    punxyguy Guest

    possibly both I will see once I get into it
     
    punxyguy, Mar 13, 2006
    #3
  4. punxyguy

    Private Guest

    Replacing valve seats is a job requiring specialized tools and experience.
    It is normally done by an automotive machine shop but is seldom required as
    part of normal valve refurbishment. It is not commonly required.

    Valve guide wear can be checked (sort of, using a wobble test and a dial
    indicator) and valve seals can normally be replaced (with some difficulty,
    by using shop air pressure to hold the valve) without removing the cylinder
    head but is not normally worth the effort since any seal failure is probably
    due to valve guide wear. New valve seals should be part of any valve job as
    is valve seat resurfacing by grinding.
     
    Private, Mar 13, 2006
    #4
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